The Circuit de Catalunya, scene of this weekend's Spanish grand prix, announced that the contract with Bernie Ecclestone has been extended until 2019.

"We are extremely proud to announce this renewal in such a special year, marking the 25th anniversary of formula one being hosted uninterruptedly at the Circuit de Barcelona-Catalunya," said official Vincec Aguilera.

"We thus extend this fruitful relationship and look forward to the next 25 years," he added in a statement.